
When to plant Swiss chard in zone 4a
In zone 4a, the last spring frost usually comes around May 12 and the first fall frost around Sep 21. Here is when to plant Swiss chard.
Sow in the bedApr 28
Start pickingJun 22
Plant again for fallJul 14
Your swiss chard calendar for zone 4a
- Apr 28: Sow swiss chard seeds in the bed
- Jun 22: Start picking Swiss chard
- Jul 14: Sow swiss chard seeds again for a fall crop
Handles both heat and cold. Cut outer stalks and it regrows all season.
Spacing in a raised bed: 4 plants per square foot.
These dates are estimates from the average frost dates for zone 4a. Your local frost dates may be a week or two different. If a late cold snap is forecast, wait a few days.
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